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Finding the Third Proportional to 61,632 and 133,085

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Solution

The third proportional to 61,632 and 133,085 is: 287,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632 : 133,085 = 133,085 : x
  2. Step 2: Convert to fraction form
    61,632/133,085 = 133,085/x
  3. Step 3: Cross multiply
    61,632x = 133,085 × 133,085
  4. Step 4: Simplify right side
    61,632x = 17,711,617,225
  5. Step 5: Solve for x
    x = 17,711,617,225/61,632
  6. Step 6: Final answer
    x = 287,376.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.